All four of the Liars are at a crossroads. Aria is battling her doubts about staying with Ezra while he manages his new family members. Emily is trying to prove to Spencer that her suspicions were inaccurate, but potentially at a high cost. Hanna finds herself in the midst of Caleb's family drama when it's revealed that Jamie isn't the most trustworthy. Spencer is attempting to find out the details of Mona's stint at Radley.

The Liars all agree that Spencer has not been acting like herself, so when she goes MIA they don't immediately panic, until her family announces that they don't know where she is either. Hanna, Emily and Aria then attempt to track her down, and hope that it isn't A that has gotten to her. In happier news, Emily gets the opportunity to meet Olympic swimmer Missy Franklin.

As Aria adjusts to Ezra spending time with Malcolm, Hanna deals with an issue regarding her mom, which may or may not be an accident caused by "A". Meanwhile, Spencer is ready to confide in Emily, but Emily has her doubts about what Spencer has to say.

The Liars become extremely suspicious of Detective Wilden, and begin hunting for answers. Unfortunately, he's hot on their heels, which may halt their investigation before they get all the answers they need. Meanwhile, at the urging of her best friends, Spencer finds someone to confide in.

When Aria gets the flu, Meredith volunteers to take care of Aria, but Hanna and Emily don't like the idea of Aria being alone with Meredith and want to figure out her motives. On Spencer and Toby's anniversary, Spencer wants to surprise Toby with a gift but it doesn't go as planned.

Aria wants to tell Ezra about his son, but she worries that the news might damage their relationship. Elsewhere, Hanna is convinced that Caleb is keeping a secret from her, and Spencer decides she's done with game playing.

After what happened with Toby, Spencer doesn't know what to do and ends up doing something she will regret in the long run when it comes to "A". Hanna tries to bring Caleb and his father closer together but it doesn't go as planned. Aria learns that Wes and herself have something in common. To help understand what Alison could've been doing before she was killed, Emily takes a trip with Jason to help explain what happened at Jersey Shore.

Suspecting Byron of killing Alison, Aria must investigate her own father, receiving help from both Ella and Meredith but begins to fall ill. Emily and Paige struggle to overcome past events. Spencer battles it out with Mona in order to become team captain of the academic decathlon. Meanwhile Hanna confronts Lucas and Mona.

Mona is released from the sanitarium and returns to school, but she faces an uphill battle in which she must prove to Hanna, Aria, Emily and Spencer that she has transformed and can be trusted. Hanna wants to be Mona's friend again but feels that she can't trust her.

Spencer finds out Paige's violent past with Alison and warns Emily about her, but Emily is weary to take her advice. Meanwhile, Aria tries to help Ezra put his past behind him, but this ends up being more difficult than she anticipated.

Emily tries to figure out what happened the night she was drugged and also tries to fix things with Paige. Ezra's mom gives insight into Ezra's past to Aria. Spencer and Caleb hack a website for Mona and Hanna also tries to help out.

On the night of Jenna's birthday party, Garrett gets a pass out of jail to visit his mother. Emily will get a look from the inside while working the party, Aria will be working the crowd and Spencer will be staked out at Radley Sanitarium.Hanna's recent heartbreak leads her to a shocking discovery.

Caleb is mad that Hanna is spending so much time with Mona; Aria doesn't want to tell Ella about the situation of Byron and Meredith; Spencer wants to know the truth about Melissa; The girls find out the identity of the Black Swan.

Spencer's mom decides to take Garrett as a client. Spencer is convinced that her mother only agreed to do this by force. After she begins to investigate, her suspicions are not confirmed and she comes across a bigger Hastings family secret.

Important:
You must only upload images which you have created yourself or that you are expressly authorised or licensed to upload. By clicking "Publish", you are confirming that the image fully complies with TV.com’s Terms of Use and that you own all rights to the image or have authorization to upload it.

Please read the following before uploading

Do not upload anything which you do not own or are fully licensed to upload. The images should not contain any sexually explicit content, race hatred material or other offensive symbols or images. Remember: Abuse of the TV.com image system may result in you being banned from uploading images or from the entire site – so, play nice and respect the rules!